# Atmozen vs Kalisun

The clearest difference is update cadence: Kalisun at every 2 weeks against Atmozen's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Atmozen ships an update every 2 months, Kalisun every 2 weeks. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Atmozen | Kalisun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atmozen/id6553983947/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 141 MB | 32 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Atmoce Holding B.V.](https://appshunter.io/developer/1758049750) | [sacha levy](https://appshunter.io/developer/1726175517) |

## What reviewers say

### Atmozen

[App page](https://appshunter.io/ios/app/atmozen/id6553983947)

Monitor the operational status of solar sites with this app. It offers features for site access, device monitoring, alerts, and settings management. Access a support center for assistance.

**Highlights:** Site access, Device monitoring, Alerting system, Site settings, Support center

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Kalisun

[App page](https://appshunter.io/ios/app/kalisun/id6670494582)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Atmozen free?

Atmozen is free to download, with no in-app purchases.

### Is Kalisun free?

Kalisun is free to download, with no in-app purchases.

### Do Atmozen or Kalisun have ads?

Neither Atmozen nor Kalisun shows ads.

### Which is updated more often, Atmozen or Kalisun?

Atmozen ships an update every 2 months, and Kalisun every 2 weeks. Most recently, Atmozen was updated on October 17, 2026 and Kalisun on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*